- Lens Construction
-
FLD glass
SLD glass
ASPHERICAL LENS
- MTF Chart
-
Diffraction MTF
Geometrical MTF
| Spatial frequency | S:Sagittal Line | M:Meridional Line |
|---|---|---|
| 10lp/mm |
|
|
| 30lp/mm |
|
|
The MTF chart gives the result at the wide-open aperture
- Distortion
-
- Vignetting
-
F2.8
F5.6
F11
F2.8
F5.6
F11
Specifications
- Lens Construction
-
17 elements in 11 groups
- Angle of View
-
114.2° - 84.1°
- Number of Diaphragm Blades
-
9 (Rounded diaphragm)
- Minimum Aperture
-
F22
- Minimum Focusing Distance
-
26cm* / 10.2 in.* * At 24mm end of the zoom range
- Maximum Magnification Ratio
-
1:5.4
- Dimensions (Diameter × Length)
-
Φ96.4mm × 135.1mm / Φ3.8in. × 5.3in.
*The length of a lens is measured from the filter surface to its mount.
- Weight
-
1,150g / 40.6oz.
- Edition Number
-
A018
About Edition Number
- Supplied Accessories
-
・Case
・COVER LENS CAP LC964-01
・REAR CAP LCR II
- Mount / Product Barcode
-
SIGMA SA-mount：00-85126-21256-8
Nikon F mount：00-85126-21255-1
Canon EF mount：00-85126-21254-4
Technology
* All figures calculated by SIGMA SA mount.
* The Nikon mount version of this lens includes an electromagnetic diaphragm mechanism. Functionality may be limited on some camera bodies. For Nikon F mount cameras, please see Nikon camera compatibility